Edmund经NIST认证的表面光洁度标准
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经NIST认证的表面光洁度标准本表面质量标准可用于判定光学元件表面上的擦痕和疵点属于哪个级别。本品带60mm刻尺，每个面上都有6个尺寸不一的栅格，6个频率不一的刻线，栅格可用来测量不规则区域的缺陷，缺陷区域的等级数就是在这个面积下不良项的平方
经NIST认证的表面光洁度标准
本表面质量标准可用于判定光学元件表面上的擦痕和疵点属于哪个级别。本品带60mm刻尺，每个面上都有6个尺寸不一的栅格，6个频率不一的刻线，栅格可用来测量不规则区域的缺陷，缺陷区域的等级数就是在这个面积下不良项的平方根。标准要求设置两个面，1面包括等级范围从0.004到0.040，而2面范围从0.040到0.400。**个面等级标号标在玻璃衬底上面，第二个面等级标号标在玻璃衬底下面。阳版采用不透明图案，背景透明，阴版为透明图案，背景不透明。
注意: 每个产品都有承诺书。
技术数据
订购信息
Common Specifications
分刻度: | Every 0.025 |
基底: | Float Glass |
标度长度 (mm): | 60 ±0.002 |
表面平整度: | 3 - 4λ |
厚度 (mm): | 1.5 |
Scratch & Dig Target (1st Surface Positive)
库存 #59-154
Scale Divisions: | Every 0.025 |
Substrate: | Float Glass |
Scale Length (mm): | 60 ±0.002 |
Surface Flatness: | 3 - 4λ |
Thickness (mm): | 1.5 |
Dot Diameter Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Line Width Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Surface Quality: | 20-10 |
Angle of Incidence (°): | 45 |
Construction: | Black Anodized Aluminum Housing |
Housing Tolerance (mm): | ±100 |
Length (mm): | 114.3 x 50.8 |
RoHS: | 符合标准 |
Scratch & Dig Target (1st Surface Negative)
库存 #59-156
Scale Divisions: | Every 0.025 |
Substrate: | Float Glass |
Scale Length (mm): | 60 ±0.002 |
Surface Flatness: | 3 - 4λ |
Thickness (mm): | 1.5 |
Dot Diameter Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Line Width Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Surface Quality: | 20-10 |
Angle of Incidence (°): | 45 |
Construction: | Black Anodized Aluminum Housing |
Housing Tolerance (mm): | ±100 |
Length (mm): | 114.3 x 50.8 |
RoHS: | 符合标准 |
Scratch & Dig Target (2nd Surface Positive)
库存 #59-155
Scale Divisions: | Every 0.025 |
Substrate: | Float Glass |
Scale Length (mm): | 60 ±0.002 |
Surface Flatness: | 3 - 4λ |
Thickness (mm): | 1.5 |
Dot Diameter Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Line Width Tolerance (mm): | Plate 1: ±0.00025 Plate 2: ±0.0005 |
Surface Quality: | 20-10 |
Angle of Incidence (°): | 45 |
Construction: | Black Anodized Aluminum Housing |
Housing Tolerance (mm): | ±100 |
Length (mm): | 114.3 x 50.8 |
RoHS: | 符合标准 |
